The lesion at the base of the keratin mound is benign in the majority of cases. Malignancy is present in up to 20% of cases, with squamous cell carcinoma being the most common type. The incidence of squamous cell carcinoma increases to 33% when the cutaneous horn is present on the penis.alignancy is present in up to 20% of cases, with squamous cell carcinoma being the most common type. The incidence of squamous cell carcinoma increases to 33% when the cutaneous horn is present on the penis.
For example, the average human gestation period is 38 weeks. Gestation may normally last anywhere from 37 to 42 weeks, however, and be considered well within the healthy range. Any child born before 37 weeks is considered preterm, and this can be accompanied by any number of health risks.
Cat Gestation Period. Cat gestation period varies from cat to cat-much like humans! The average gestation period for cats is about 65 days, with most lasting between 63 and 67 days. Having said that, cat pregnancy can last anywhere between about 57 and 70 days.An easy way to remember the gestation period of a cat is to think of each week of cat pregnancy as equivalent to a month of human pregnancy.So, 9 weeks of a cat pregnancy is 63 days (equivalent to 9 months of a full-term human pregnancy).at Gestation Period. Cat gestation period varies from cat to cat-much like humans! The average gestation period for cats is about 65 days, with most lasting between 63 and 67 days. Having said that, cat pregnancy can last anywhere between about 57 and 70 days.